Funding for this research was provided by:
National Natural Science Foundation of China (11772306)
oundation of Guilin University of Technology (GUTQDJJ2017062)
Guangxi Natural Science Foundation (2018GXNSFAA281021, 2016GXNSFAA380082)
Guangxi Natural Science Foundation (2018GXNSFBA281020)
Fundamental Research Funds for Central Universities of the Central South University (CUGGC05)
Graduates education Teaching Research and Reform Project of China University of Geosciences (YJS2018311)
Article History
Accepted: 10 December 2020
First Online: 19 January 2021